local APIC error 0x40

[John Baldwin]

On Tuesday, July 24, 2012 9:32:45 pm Dan Allen wrote:
> 
> On 24 Jul 2012, at 4:26 AM, Konstantin Belousov <kostikbel at gmail.com> wrote:
> 
> > Does your system slows down with these messages ? 0x40 means that some
> > code tried to send IPI with interrupt number from the range of assigned
> > CPU faults. I believe that FreeBSD code never does that.
> 
> So, I reverted to 
> 
>   $FreeBSD: src/sys/i386/i386/machdep.c,v 1.688.2.31 2012/06/13 15:25:52 jhb 
Exp $
> 
> and rebuilt the kernel.  By making that one change my fan problem is fixed!  
No more 0x40 msgs, although I only have 1 core again due to my use of 
hint.apic.0.disabled="1" in /boot/loader.conf.

So to be clear, does that revision work fine, it's a future revision that 
breaks things, or does that revision break?

-- 
John Baldwin